[JPO] Lab11

#include <iostream>
#include <cstdlib>
#include <vector>
#include <list>

using namespace std;

//Prototypy
void WyborZadania();
void Zad1();
void Zad2();
int Zad3a(int *a, int *b);
int *Zad3b(int *a, int *b);
int Zad4(int *tab, int n);
int Zad5(int *tab1, int *tab2, int n);

int main(){
    WyborZadania();
    return EXIT_SUCCESS;
}

void Zad1() {
    int n, x;
    cout << "Podaj n:"; cin >> n;

    int *tab = new int[n];
    for (int i = 0; i < n; i++) {
            cout << i + 1 << ": "; cin >> x;
            if (!isdigit(x)) tab[i] = x;
            else i--;
    }

        for(int i = 0; i < n; i++){
            cout << tab[i] << ", ";
        }

}

void Zad2(){

}

int Zad3a(int *a, int *b){
    if(*a < *b) return *a;
    else return *b;
}

int *Zad3b(int *a, int *b){
    if(*a < *b) return a;
    else return b;
}

int Zad4(int *tab, int n){
    int suma = 0;
    for(int i = 0; i < n; i++){
        suma += tab[i];
    }

    return suma/n;
}

int Zad5(int *tab1, int *tab2, int n){
    int suma = 0;
    for(int i = 0; i < n; i++){
        cout << "(" <<tab1[i] << " - " << tab2[i] << ")^2 = " << (tab1[i] - tab2[i])*(tab1[i] - tab2[i]) << endl;
        suma += (tab1[i] - tab2[i])*(tab1[i] - tab2[i]);
    }

    return suma;
}

class portfel{
private:
    double kwota;
public:
    portfel(){
        this->inicjuj();
    }

    void inicjuj(){
        this->kwota = 0;
    }

    void zarobki(double ilosc){
        this->kwota += ilosc;
    }

    void wydatki(double ilosc){
        this->kwota -= ilosc;
    }

    double zawartosc(){
        return this->kwota;
    }
};

class tablica{
private:
    int * tab;
    int n;
public:
    tablica(int n){
        this->n = n;
        tab = new int[n];
        for(int i = 0; i < n; i++){
            tab[i] = rand() % 100 + 1;
            cout << tab[i] << ", ";
        }
    }

    int & at(int indeks){
        if(indeks > n) {int & ref = tab[0]; return ref; }
        else{
            for(int i = 0; i < n; i++){
                if(i == indeks){
                    int & ref = tab[i];
                    return ref;
                }
            }
        }
    }

};

class wskaznik{
private:
    int * wsk;

public:
    wskaznik(int n){
        this->utworz(n);
    }

    void utworz(int n){
        if(n > 0){
            int * tab = new int[n];
            this->wsk = tab;
        }
    }

    int *zwroc(){
        return this->wsk;
    }

    void zwolnij(){
        this->wsk = NULL;
    }

    void kopiuj(int* &ref){
        ref = this->wsk;
    }
};

class czworokat{
protected:
    double a, b, c, d;
public:
    czworokat(double a, double b, double c, double d){
        this->a = a;
        this->b = b;
        this->c = c;
        this->d = d;
    }

    void wypisz(){
        cout << a << ", " << b << ", " << c << ", " << d << endl;
    }

    virtual double pole(){
        return a*b*c*d;
    }
};

class prostokat : public czworokat{
public:
    prostokat(double x1, double x2) : czworokat(x1, x1, x2, x2){}

    void wymiary(double w1, double w2){
        czworokat::a = w1;
        czworokat::c = w1;

        czworokat::b = w2;
        czworokat::d = w2;
    }

    double pole(){
        return a * c;
    }
};

class kwadrat : public czworokat{
public:
    kwadrat(double x1) : czworokat(x1, x1, x1, x1){}

    void wymiary(double w1){
        czworokat::a = w1;
        czworokat::b = w1;
        czworokat::c = w1;
        czworokat::d = w1;
    }

    double pole(){
        return a * a;
    }
};

void WyborZadania() {
    int zad;
    cout << "Wybierz zadanie: ";
    cin >> zad;
    switch (zad) {
    case 1:
    {
            Zad1();
            break;
    }
        case 2:
        {
            Zad2();
            break;
        }
        case 3:
        {
            int x = 10;
            int y = 15;
            int *pX = &x;
            int *pY = &y;

            cout << Zad3a(pX, pY) << endl;
            cout << *Zad3b(pX, pY);
            break;
        }
        case 4:
        {
            int n = 10;
            int *tab = new int[n];
            int *tab2 = new int[n];

            srand(time(NULL));

            for(int i = 0; i < n; i++){
                tab[i] = rand() % 100 + 1;
                cout << tab[i] << ", ";
            }
            cout << endl;
            for(int i = 0; i < n; i++){
                tab2[i] = rand() % 100 + 1;
                cout << tab2[i] << ", ";
            }
            cout << endl << "Srednia: " << Zad4(tab, n) << endl << "Srednia 2: " <<Zad4(tab2, n) << endl;
            break;
        }
        case 5:
        {
            int n = 10;
            int *tab = new int[n];
            int *tab2 = new int[n];

            srand(time(NULL));

            for(int i = 0; i < n; i++){
                tab[i] = rand() % 100 + 1;
                cout << tab[i] << ", ";
            }
            cout << endl;
            for(int i = 0; i < n; i++){
                tab2[i] = rand() % 100 + 1;
                cout << tab2[i] << ", ";
            }

            cout << endl << Zad5(tab, tab2, n) << endl;
            break;
        }
        case 6:
        {
            portfel x;
            x.zarobki(500);
            x.wydatki(150);
            cout << x.zawartosc();
            break;
        }
        case 7:
        {
            tablica t(10);
            cout << endl << t.at(5) << ", " << t.at(15);
            break;
        }
        case 8:
        {
            //(int*) &ref;
            wskaznik x(10);
            cout << x.zwroc();
            //x.kopiuj(ref); //nie dziala chuj wie czemu
            x.zwolnij();
            break;
        }
        case 9:
        {
            //Normalnie
            czworokat x(5,10,15,20);
            x.wypisz();
            cout << x.pole() << endl;

            prostokat y(10, 20);
            y.wypisz();
            cout << y.pole() << endl;

            kwadrat z(10);
            z.wypisz();
            cout << z.pole() << endl;

            cout << "--------" << endl;
            //Na wskaznikach
            czworokat * a = new czworokat(5,10,15,20);
            a->wypisz();
            cout << a->pole() << endl;

            prostokat * b = new prostokat(10,20);
            b->wypisz();
            cout << b->pole() << endl;

            kwadrat * c = new kwadrat(10);
            c->wypisz();
            cout << c->pole() << endl;
            break;
        }
        case 10:
        {
            list <int> lista;
            int el;
            cout << "Ile elementow chcesz dodac do listy? "; cin >> el;
            for(int i = 0; i < el; i++){
                int x;
                cout << i + 1 << ": "; cin >> x;
                lista.push_back(x);
            }


            //Wyswietlanie listy
            for(list<int>::iterator i = lista.begin(); i != lista.end(); i++){
                cout << *i << ", ";
            }

            cout << endl;

            //Usuwanie
            int del, j;
            cout << "Ktory element chcesz usunac? "; cin >> del;
            for(list<int>::iterator i = lista.begin(); i != lista.end(); i++, j++){
                if(j==del%lista.size()){
                    i = lista.erase(i); break;
                }
            }

            //Wyswietlanie listy 2
            for(list<int>::iterator i = lista.begin(); i != lista.end(); i++){
                cout << *i << ", ";
            }

            break;
        }
        default:
    {
            WyborZadania();
            break;
    }
    }
}